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Creator:: Rushdi, Ahmed I. M.
Resource Type:: Dissertation
Full Text:: AN ABSTRACT OF THE THESIS OF Ahmed I. M. Rushdi for the degree

Creator:: Rushdi, Ahmed I., Al-Mutlaq, Khalid F., El-Mubarak, Aarif H., Al-Saleh, Mohammed A., El-Otaibi, Mubarak T., Ibrahim, Sami M. M., and Simoneit, Bernd R. T.
Abstract:: Soil particles contain a variety of natural and anthropogenic organic components, and in urban areas can be considered as local collectors of pollutants. Surface soil samples were taken from ten urban areas in Riyadh during early winter of 2007. They were extracted with dichloromethane-methanol mixture and the extracts were analyzed...
Resource Type:: Article
Full Text:: 8 9 10 11 Ahmed I. Rushdi1,2,3.a , Khalid F. Al-Mutlaq1, Aarif H. El-Mubarak1, Mohammed A

Creator:: Rushdi, Ahmed I., Al-Mutlaq, Khalid F., Al-Otaibi, Mubarak, El-Mubarak, Aarif H., and Simoneit, Bernd R. T.
Abstract:: Air particulate matter (PM) samples were collected from June 2006 to May 2007 for determination chemical elements. PM samples were taken in two size fractions (PM₂.₅ and PM₁₀) with MiniVolume air samplers on rooftops of various buildings (15-25 m above ground) in the city of Riyadh. The samples were subjected...
Full Text:: particulate matter concentrations (g m -3 ) collected from the city of Riyadh, Saudi Arabia. 1 2 3

Creator:: Rushdi, Ahmed I., Al-Mutlaq, Khalid F., Al-Otaibi, Mubarak, El-Mubarak, Aarif H., and Simoneit, Bernd R. T.
Abstract:: Air particulate matter (PM) samples were collected from June 2006 to May 2007 for determination chemical elements. PM samples were taken in two size fractions (PM₂.₅ and PM₁₀) with MiniVolume air samplers on rooftops of various buildings (15-25 m above ground) in the city of Riyadh. The samples were subjected...
Full Text:: OR SH AL AZ NZ JZ MN m g m -3 PM2.5 PM10 November 2006 0 50 100 150 200 250 300 350 400

Creator:: Rushdi, Ahmed I., Al-Mutlaq, Khalid F., Al-Otaibi, Mubarak, El-Mubarak, Aarif H., and Simoneit, Bernd R. T.
Abstract:: Air particulate matter (PM) samples were collected from June 2006 to May 2007 for determination chemical elements. PM samples were taken in two size fractions (PM₂.₅ and PM₁₀) with MiniVolume air samplers on rooftops of various buildings (15-25 m above ground) in the city of Riyadh. The samples were subjected...
Full Text:: factors of aerosol 2 particulate matter in Riyadh City, Saudi Arabia 3 4 5 6 7 Ahmed I

Creator:: Rushdi, Ahmed I., Al-Mutlaq, Khalid F., Al-Otaibi, Mubarak, El-Mubarak, Aarif H., and Simoneit, Bernd R. T.
Abstract:: Air particulate matter (PM) samples were collected from June 2006 to May 2007 for determination chemical elements. PM samples were taken in two size fractions (PM₂.₅ and PM₁₀) with MiniVolume air samplers on rooftops of various buildings (15-25 m above ground) in the city of Riyadh. The samples were subjected...
Resource Type:: Preprint and Article

Creator:: Alqarni, Abdulaziz S., Rushdi, Ahmed I., Owayss, Ayman A., Raweh, Hael S., El-Mubarak, Aarif H., and Simoneit, Bernd R. T.
Abstract:: Propolis is a gummy material produced by honey bees to protect their hives and currently has drawn the attention of researchers due to its broad clinical use. It has been reported, based only on observations, that honey bees also collect other non-vegetation substances such as paint or asphalt/tar to make...
Resource Type:: Article
Full Text:: Honey Bees, Apis mellifera Linn. Alqarni, A. S., Rushdi, A. I., Owayss, A. A., Raweh, H. S., El

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